MutationObserver-nested-crash.html

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This WPT test may be referenced by the following Test IDs:
- /dom/nodes/MutationObserver-nested-crash.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset=utf-8>

<title>MutationObservers: observer inside another observer's callback</title>

<div id="target"></div>

<script>

  var observer = new MutationObserver(_ => {

    var otherObserver = new MutationObserver(_ => {});

    otherObserver.observe(target, {characterData: true});

});

  observer.observe(target, {subtree: true, attributeOldValue: true});

  target.setAttribute("foo", "bar");

</script>